SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier s
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier nested_test (alias t1)
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Identifier nest
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier join_test (alias t2)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier nest.y
        Identifier t2.y
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier ALL
